الوصف

WW GUM ROSIN
Descriptions; Gum Rosin is a kind of natural resin, mainly composed of various kinds of resin acids. It can be dissolved easily in many organic solvents, and has special chemical activity.   Usage; Be used in paper, coatings, inks, rubber, soaps, electronic industrials products, food grade ester gum, rosin ester resins, and so on widely.   Specifications; Items       WW GUM ROSIN Color       Pale yellow Softening point Ring & Ball,degress      min *6 Acid value,mgKOH/g              min**6 Alcohol insoluble substance %       max0.*3 Unsaponifiable matter%  max 5 Ash % max0.*2   Package; Drum: galvanized iron drum, **5kgs net each drum Bag: Beads or flake, kraft paper bag, *5kgs net each.